• - 交流-直流(AC-DC)控制器和稳压器
• - 直流-直流(DC-DC)控制器、转换器和稳压器
• - 电压和电流管理
• - 通讯IC
• - 驱动器
• - 热管理

• - 时钟及数据分配
• - 标准逻辑

• - 放大器和比较器
• - 模拟开关
• - 数字电位计
• - 接口
• - EMI和RFI滤波器

• - EEPROM存储器
• - 非易失性只读存储器(NVRAM)
• - SRAM存储器

说明

The LP2985 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for both portable and nonportable applications. Available in voltages of 1.8 V, 2.5 V, 2.8 V, 2.9 V, 3 V, 3.1 V, 3.3 V, 5 V, and 10 V, the family has an output tolerance of 1% for the A version (1.5% for the non-A version) and is capable of delivering 150-mA continuous load current. Standard regulator features, such as overcurrent and overtemperature protection, are included.

The LP2985 has a host of features that makes the regulator an ideal candidate for a variety of portable applications:

• Low dropout: A PNP pass element allows a typical dropout of 280 mV at 150-mA load current and 7 mV at 1-mA load.

特性

• Output Tolerance of
  • 1% (A Grade)
  • 1.5% (Standard Grade)
• Ultra-Low Dropout, Typically
  • 280 mV at Full Load of 150 mA
  • 7 mV at 1 mA
• Wide V_IN Range: 16 V Max
• Low I_Q: 850 µA at Full Load at 150 mA
• Shutdown Current: 0.01 µA Typ
• Low Noise: 30 µV_RMS With 10-nF Bypass Capacitor
• Stable With Low-ESR Capacitors, Including Ceramic
• Overcurrent and Thermal Protection
• High Peak-Current Capability
• ESD Protection Exceeds JESD 22
  • 2000-V Human-Body Model (A114-A)
  • 200-V Machine Model (A115-A)
• APPLICATIONS
  • Cellular Phones
  • Palmtop and Laptop Computers
  • Personal Digital Assistants (PDAs)